If x and y are real numbers [x+y]=[x]+[y] . Is it true or false

true

Step-by-step explanation:

It is true because both sides of the equation will just give the same result.

answer

d. 10

explanation

the distance from point y to wx is the height of the triangle.

using pythagoras theorem,

group similar terms to get,

this implies that,

take positive square root of both sides to get,

this implies that,